/* 首页 */
.bigdata-header {
    position: absolute;
    /* 调整宽高 */
    line-height: 66px;
    width: 100%;height: 66px;
    color: #fff;z-index: 9999;
    /* border-bottom: 1px solid white; */
}
.logo {
    position: absolute;
    top: 4px;left: 1%;
    width: 230px;height: 30px;
    background: url('../images/new-logo-white.png');
}
.nav {
    position: absolute;
    left: 50%;
    height: 100%;
    transform: translate(-50%, 0);
}
.nav-item {
    cursor: pointer;
    font-size: 15px;
    margin: 0 18px;
    height: 100%;
}
.nav-item.active {
    font-size: 18px;
    box-sizing: border-box;
    border-bottom: 2px solid #fff;
}

/* 登录注册 */
.login-register {
    position: absolute;
    right: 1%;
    height: 100%;
}
.login-register .login {
    width: 52px;height: 22px;
    border: 1px solid #ccc;
    border-radius: 12px;color: #fff;
    background-color: transparent;
    margin-right: 5px;
}
.login-register .register {
    width: 80px;height: 22px;
    border: none;
    background-color: #fd510a;
    color: #fff;border-radius: 11px;   
}
.banner {
    position: relative;
    height: 360px;
    margin-bottom: 30px;
    background: rgb(29,29,29);
}
canvas{background:none;}
.banner #mydiv{
    position: absolute;
    top: 20px;
}
/* 主体内容 */
main{margin: 20px auto;height: 1700px;position: relative;background: #f8f8f8;}
.content-top{
    position: relative;
    width: 1200px;
    height: 100px;
    background-color: #fff;
    margin-bottom: 60px;
}
.topcon{
    position: absolute;
    top: -190px;
    background: #fff;
}
.top-l{
    width: 532px;height: 290px;
    padding: 48px 0 0 48px;
}
.top-l p:nth-child(2){
    font-size: 24px;
    color: #181818;
    line-height: 34px;
    margin: 18px 0 12px 0;
}
.top-l p:nth-child(3){
    font-size: 14px;
    color: #666;
    line-height: 24px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
}
.pd{
    padding: 0 50px;
}
.detail-desc p:nth-child(2){
    margin-top: 22px;
    color: #181818;
    line-height: 24px;
    font-size: 14px;
}
.detail-desc p:nth-child(3){
    height: 60px;
    color: #666;
    line-height: 60px;
    font-size: 12px;
}
.line{
    display: inline-block;
    background: #1271ef;
    width: 14px;height: 4px;
    margin: 30px 10px 0 0;
}
.profit p:nth-child(1){
    font-size: 24px;
    line-height: 30px;
    margin: 20px 0 24px;
    color: #181818;
}
.profit p:nth-child(2){
    font-size: 14px;
    line-height: 22px;
    margin-bottom: 54px;
    color: #000;
}
.profit img{
    width: 100%;
}
/* 底部样式 */
footer {height: 300px;}
footer dl{float: left;margin:0 82px 40px 0;}
footer dl dt{margin-bottom: 34px;font-size: 16;}
footer dl dd{height: 28px;line-height: 28px;font-size: 12px;color: #aaa;}
footer .QR-code{text-align: right;}
footer .contact p{margin:8px 0 24px;color: #ccc;font-size: 13px;}
.copy{font-size: 14px;color: #ccc;height: 46px;line-height: 46px;}
.copy img {position: relative;top: 3px;margin-right: 4px;}